diff --git a/metadata/uk.org.cardboardbox.wonderdroid.txt b/metadata/uk.org.cardboardbox.wonderdroid.txt
index f5d6dc1049..4dd46a87a3 100644
--- a/metadata/uk.org.cardboardbox.wonderdroid.txt
+++ b/metadata/uk.org.cardboardbox.wonderdroid.txt
@@ -19,6 +19,10 @@ Build Version:1.8b2,36,b75f439e745,subdir=wonderdroid,buildjni=yes,srclibs=MobAd
 echo "android.library.reference.1=$$MobAdMob$$" >> project.properties && \
 echo "android.library=true" >> $$MobAdMob$$/project.properties && \
 rm -f libs/GoogleAdMobAdsSdk-6.0.1.jar
+Build Version:1.8c,37,1a14c45ffdeb,subdir=wonderdroid,buildjni=yes,srclibs=MobAdMob@2d5736,prebuild=\
+echo "android.library.reference.1=$$MobAdMob$$" >> project.properties && \
+echo "android.library=true" >> $$MobAdMob$$/project.properties && \
+rm -rf libs/GoogleAdMobAdsSdk-6.0.1.jar libs/*/
 
 Auto Update Mode:None
 Update Check Mode:Market